On Tue, Dec 05, 2006 at 09:42:02AM -0500, David Vandepol wrote:
> I'm still having problems. When I run java tool and view all of the
> LaF's GTK is displayed, however gtk isn't available in the pkg-config
Does the LaF actually use Gtk+ or just emulates the look?
And if it uses Gtk+, does it use the common library or some
private copy?
AFAIK Java 1.5 Gtk+ LaF is Synth-based.
> Just to be clear, GTK is installed
> with Red Hat OS correct?
In a typical installation, yes. But it is not mandatory.
> I installed all the packages when installing the
> OS and I assumed that it would be installed.
If you installed everything you should have Gtk+.
> And java picks it up.
Or maybe not.
> Also
> there are other gtk packs in the pkgconfig folder, such as gkt-engines-2.pc
> . Do you or anyone know why the required info is not in pkgconfig?
First of all, pkg-config is intended for *compile time*
detection, and .pc files are in the develoment package, not
in run-time, you can't detect Gtk+ run-time with pkg-config
(of course if you installed everything, you should have the
development package too, but maybe you did not install
really everything).
So if you want to detect the run-time, forget pkg-config
and run something like this:
#include <dlfcn.h>
#include <stdio.h>
int
main(void)
{
void *gtk;
int *maj, *min, *mic;
int status = 1;
gtk = dlopen("libgtk-x11-2.0.so", RTLD_LAZY);
if (!gtk)
return 1;
maj = dlsym(gtk, "gtk_major_version");
min = dlsym(gtk, "gtk_minor_version");
mic = dlsym(gtk, "gtk_micro_version");
if (maj && min && mic) {
printf("%d.%d.%d\n", *maj, *min, *mic);
status = 0;
}
dlclose(gtk);
return status;
}
(needs dlopen(), i.e. Linux, BSD, or something like that)
or just do
printf("%d.%d.%d\n",
gtk_major_version(), gtk_minor_version(), gtk_micro_version());
but such a program has to be linked with the lowest
acceptable version of Gtk+ to make sense, then it can be run
on systems with higher Gtk+.
Or depending on what you do, you can ask the package
management system...
Generally, the answer to the run-time environment question
`if I run something using Foo, what version of Foo it will
get dynamically linked with' is to actually do it and check
the outcome.
Yeti
--
Whatever.
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